ElectroPlex Rocket 100 Overdrive Preamp preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

ElectroPlex was a boutique American amplifier builder known for high-gain tube preamp circuits inspired by classic Marshall and modified Plexi designs. The Rocket 100 Overdrive Preamp delivered aggressive, searing gain and sustain aimed at hard rock and metal players.

• Years produced: 1995–2010
• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 3× 12AX7
• Power tubes: 4× EL34

Tags: american, british, modern, high-gain, crunch.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.